Alexzanderite maltise cross cica---1900-1920. 14k..total weight is 20.2 grams ..vary unique stone cuts aprox 5 ctw each stone

found this item at a flea market....in a box of costume jewelry'''it has been tested and is 14k.......stones are color change alexzanderite vary good color change
5.5 centermeters wide and 5.5 centermeters tall not counting the bail
been trying to find out if any examples like this are around to determin who and ware it was made